Node	Bubble Map	Frequency	CTCSS	Location	Links
537090	Bubble	144.880		Marikina	1999 537091
537091	Bubble	144.880 Mhz		Marikina	537090
518253	Bubble	431.600MHz Analog RF	Rpt RF link node	Marikina City
507630	Bubble	431.600		Marikina	507631 1999
507631	Bubble	431.600		Marikina	507630